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Título: | Enhanced Motivational Modulation of Motor Behaviour with Subthalamic Nucleus Deep Brain Stimulation in Parkinson’s Disease |
Autor: | Kojovic, Maja; Higgins, Andrea; Mir, Pablo CSIC ORCID; Jahanshahi, Marjan | Fecha de publicación: | 2-ene-2019 | Editor: | Hindawi Publishing Corporation | Citación: | Parkinson's Disease 2019: 3604372 (2019) | Resumen: | [Background] Motivational improvement of movement speed in Parkinson’s disease (PD) is observed in life-threatening situations and has been empirically demonstrated in experimental studies using reaction time paradigms. [Objectives] To address two clinically relevant questions: first, if in PD, motivational modulation through provision of monetary incentive on a sorting task that approximates performance on everyday life tasks affects movement speed. Second, how this effect is compared between PD patients treated with medication or subthalamic deep brain stimulation. [Methods] We used the Card Arranging Reward Responsivity Objective Test that shares component processes with everyday life tasks to compare reward responsivity of movement speed in 10 PD patients with STN-DBS, 10 nonoperated medicated PD patients, both OFF and ON their usual medications/stimulation, and 11 age-matched healthy controls. [Results] Despite longer disease duration and more severe motor symptoms, STN-DBS PD patients with the stimulator turned ON showed greater improvement of movement speed with the prospect of monetary incentive compared to both medicated PD patients and healthy participants. [Discussion] The effect of monetary incentive on movement speed in PD patients is more pronounced with STN-DBS than dopaminergic medications, suggesting that motivational modulation of movement speed may be enhanced as a direct consequence of STN stimulation. |
Versión del editor: | https://doi.org/10.1155/2019/3604372 | URI: | http://hdl.handle.net/10261/204955 | DOI: | 10.1155/2019/3604372 | ISSN: | 2090-8083 | E-ISSN: | 2042-0080 |
Aparece en las colecciones: | (IBIS) Artículos |
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deep_brain_stimulation.pdf | 1,55 MB | Adobe PDF | Visualizar/Abrir |
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